NUTRA ZINN is a highly concentrated flowable zinc formulation containing 39.5 per cent zinc. NUTRA ZINN is higher nutrient concentration means that application rates are lower. NUTRA ZINN is designed for rapid uptake and long term feeding power, so fewer applications are required. NUTRA ZINN is made from pharmaceutical grade raw materials and is free from impurities. Co-formulants such as wetting, sticking, dispersion and stabilising agents ensure rainfastness, efficient, safe and easy use. .